func configure() {
loglevel := "INFO"
flag.StringVar(&loglevel, "loglevel", "INFO", "Log level")
cachedir := ".gopancache"
flag.StringVar(&cachedir, "cachedir", ".gopancache", "GoPAN cache directory")
index := "index"
flag.StringVar(&index, "index", "index", "Name of the primary GoPAN index file")
bind := ":7050"
flag.StringVar(&bind, "bind", ":7050", "Interface to bind to")
cpan := "cpan_index.gz"
flag.StringVar(&cpan, "cpan", "cpan_index.gz", "Name of CPAN index to support readthrough")
backpan := "backpan_index.gz"
flag.StringVar(&backpan, "backpan", "backpan_index.gz", "Name of BackPAN index to support readthrough")
remote := "http://localhost:7050"
flag.StringVar(&remote, "remote", "http://localhost:7050", "Remote host and port to connect to")
loglayout := "[%d] [%p] %m"
flag.StringVar(&loglayout, "loglayout", loglayout, "Log layout (for github.com/ian-kent/go-log pattern layout)")
indexes := make([]string, 0)
flag.Var((*gopan.AppendSliceValue)(&indexes), "s-index", "Secondary indexes to load (can be provided multiple times)")
testdeps := true
flag.BoolVar(&testdeps, "test-deps", true, "Test dependencies on startup")
flag.Parse()
config = &Config{
LogLevel: loglevel,
CacheDir: cachedir,
Index: index,
Bind: bind,
Indexes: indexes,
CanUpdate: false,
LatestRelease: "0.0",
CurrentRelease: "0.0", // set in main.go so its in one place
UpdateURL: "",
ImportAvailable: false,
CPANIndex: cpan,
HasCPANIndex: false,
CPANIndexDate: "",
BackPANIndex: backpan,
HasBackPANIndex: false,
BackPANIndexDate: "",
BackPANStatus: "Unavailable",
CPANStatus: "Unavailable",
RemoteHost: remote,
TestDeps: testdeps,
}
// log level and layout
log.Logger().Appender().SetLayout(layout.Pattern(loglayout))
log.Logger().SetLevel(log.Stol(loglevel))
}
func main() {
// Create our Gotcha application
var app = gotcha.Create(Asset)
// Set the logger output pattern
log.Logger().Appender().SetLayout(layout.Pattern("[%d] [%p] %m"))
log.Logger().SetLevel(log.Stol("TRACE"))
// Get the router
r := app.Router
// Create some routes
r.Get("/", example)
r.Post("/", examplepost)
r.Get("/foo", example2)
r.Get("/bar", example3)
r.Get("/stream", streamed)
r.Get("/err", err)
// Serve static content (but really use a CDN)
r.Get("/images/(?P<file>.*)", r.Static("assets/images/{{file}}"))
r.Get("/css/(?P<file>.*)", r.Static("assets/css/{{file}}"))
// Listen to some events
app.On(events.BeforeHandler, func(session *http.Session, next func()) {
n := 0
c, ok := session.Request.Cookies["test"]
if ok {
n, _ = strconv.Atoi(c.Value)
}
session.Stash["test"] = n
log.Printf("Got BeforeHandler event! n = %d", n)
next()
})
app.On(events.AfterHandler, func(session *http.Session, next func()) {
n := session.Stash["test"].(int) + 1
session.Response.Cookies.Set(&nethttp.Cookie{
Name: "test",
Value: strconv.Itoa(n),
})
log.Println("Got AfterHandler event!")
next()
})
app.On(events.AfterResponse, func(session *http.Session, next func()) {
log.Println("Got AfterResponse event!")
next()
})
// Start our application
app.Start()
<-make(chan int)
}
func main() {
configure()
indexes = make(map[string]map[string]*gopan.Source)
indexes[config.InputIndex] = gopan.LoadIndex(config.CacheDir + "/" + config.InputIndex)
log.Logger().SetLevel(log.Stol(config.LogLevel))
log.Info("Using log level: %s", config.LogLevel)
// FIXME inefficient
_, _, tpkg, _ := gopan.CountIndex(indexes)
npkg := 0
nmod := 0
var pc = func() float64 {
return float64(nmod) / float64(tpkg) * 100
}
log.Info("Writing packages index file")
out, err := os.Create(config.CacheDir + "/" + config.OutputIndex)
if err != nil {
log.Error("Error creating packages index: %s", err.Error())
return
}
for fname, _ := range indexes {
log.Debug("File: %s", fname)
for _, idx := range indexes[fname] {
log.Debug("Index: %s", idx)
out.Write([]byte(idx.Name + " [" + idx.URL + "]\n"))
for _, auth := range idx.Authors {
log.Debug("Author %s", auth)
out.Write([]byte(" " + auth.Name + " [" + auth.URL + "]\n"))
for _, pkg := range auth.Packages {
out.Write([]byte(" " + pkg.Name + " => " + pkg.URL + "\n"))
log.Debug("Package: %s", pkg)
if !config.Flatten {
if len(pkg.Provides) == 0 {
// TODO better handling of filenames
modnm := strings.TrimSuffix(pkg.Name, ".tar.gz")
tgzpath := config.CacheDir + "/" + idx.Name + "/" + auth.Name[:1] + "/" + auth.Name[:2] + "/" + auth.Name + "/" + pkg.Name
if _, err := os.Stat(tgzpath); err != nil {
log.Error("File not found: %s", tgzpath)
return
}
extpath := config.ExtDir + "/" + idx.Name + "/" + auth.Name[:1] + "/" + auth.Name[:2] + "/" + auth.Name + "/" + modnm
dirpath := config.ExtDir + "/" + idx.Name + "/" + auth.Name[:1] + "/" + auth.Name[:2] + "/" + auth.Name
log.Trace("=> tgzpath: %s", tgzpath)
log.Trace(" > extpath: %s", extpath)
log.Trace(" > dirpath: %s", dirpath)
// Only index packages if they don't already exist
if err := pandex.Provides(pkg, tgzpath, extpath, dirpath); err != nil {
log.Error("Error retrieving package list: %s", err)
continue
}
}
npkg += len(pkg.Provides)
nmod += 1
for p, pk := range pkg.Provides {
out.Write([]byte(" " + p + " (" + pk.Version + "): " + pk.File + "\n"))
}
if nmod > 0 && nmod%100 == 0 {
log.Info("%f%% Done %d/%d packages (%d provided so far)", pc(), nmod, tpkg, npkg)
}
}
}
}
}
}
out.Close()
log.Info("Found %d packages from %d modules", npkg, nmod)
}
func main() {
configure()
log.Logger().SetLevel(log.Stol(config.LogLevel))
log.Info("Using log level: %s", config.LogLevel)
indexes = make(map[string]map[string]*gopan.Source)
if !config.NoCache {
indexes[config.Index] = gopan.LoadIndex(config.CacheDir + "/" + config.Index)
}
if config.NoCache || config.Update {
for _, s := range config.Sources {
b := strings.SplitN(s, "=", 2)
if len(b) < 2 {
log.Error("Expected Name=URL pair, got: %s", s)
return
}
if idx, ok := indexes[config.Index][b[0]]; ok {
log.Warn("Index [%s] already exists with URL [%s], updating to [%s]", idx.URL, b[1])
idx.URL = b[1]
} else {
indexes[config.Index][b[0]] = &gopan.Source{
Name: b[0],
URL: b[1],
Authors: make(map[string]*gopan.Author, 0),
}
}
}
if len(config.Sources) == 0 && !config.CPAN && !config.BackPAN {
log.Debug("No -source, -cpan, -backpan parameters, adding default CPAN/BackPAN")
config.CPAN = true
config.BackPAN = true
}
if config.CPAN {
if _, ok := indexes[config.Index]["CPAN"]; !ok {
log.Debug("Adding CPAN index")
indexes[config.Index]["CPAN"] = gopan.CPANSource()
} else {
log.Debug("CPAN index already exists")
}
}
if config.BackPAN {
if _, ok := indexes[config.Index]["BackPAN"]; !ok {
log.Debug("Adding BackPAN index")
indexes[config.Index]["BackPAN"] = gopan.BackPANSource()
} else {
log.Debug("BackPAN index already exists")
}
}
log.Info("Using sources:")
for fname, _ := range indexes {
log.Info("From %s", fname)
for _, source := range indexes[fname] {
log.Info("=> %s", source.String())
}
}
newAuthors := getAuthors()
newPackages := getPackages()
os.MkdirAll(config.CacheDir, 0777)
if !config.NoCache {
gopan.SaveIndex(config.CacheDir+"/"+config.Index, indexes[config.Index])
}
if config.Update {
log.Info("Found %d new packages by %d new authors", newAuthors, newPackages)
}
}
nsrc, nauth, nmod, npkg := gopan.CountIndex(indexes)
log.Info("Found %d packages in %d modules by %d authors from %d sources", npkg, nmod, nauth, nsrc)
if !config.NoMirror {
mirrorPan()
}
}
func Configure() *Config {
conf := DefaultConfig()
cpan := make([]string, 0)
flag.Var((*gopan.AppendSliceValue)(&cpan), "cpan", "A CPAN mirror (can be specified multiple times)")
backpan := make([]string, 0)
flag.Var((*gopan.AppendSliceValue)(&backpan), "backpan", "A BackPAN mirror (can be specified multiple times)")
smart := make([]string, 0)
flag.Var((*gopan.AppendSliceValue)(&smart), "smart", "A SmartPAN mirror (can be specified multiple times)")
test := make([]string, 0)
flag.Var((*gopan.AppendSliceValue)(&test), "test", "A module to install with testing (can be specified multiple times)")
tests := false
flag.BoolVar(&tests, "tests", false, "Enables all tests during installation phase")
nocpan := false
flag.BoolVar(&nocpan, "nocpan", false, "Disables the default CPAN source")
nobackpan := false
flag.BoolVar(&nobackpan, "nobackpan", false, "Disables the default BackCPAN source")
cpanfile := "cpanfile"
flag.StringVar(&cpanfile, "cpanfile", "cpanfile", "The cpanfile to install")
numcpus := runtime.NumCPU()
flag.IntVar(&numcpus, "cpus", numcpus, "The number of CPUs to use, defaults to "+strconv.Itoa(numcpus)+" for your environment")
nodepdump := false
flag.BoolVar(&nodepdump, "nodepdump", nodepdump, "Disables dumping resolved dependencies listing")
noinstall := false
flag.BoolVar(&noinstall, "noinstall", noinstall, "Disables installation phase")
metacpan := false
flag.BoolVar(&metacpan, "metacpan", metacpan, "Enable resolving source via MetaCPAN")
loglevel := "INFO"
flag.StringVar(&loglevel, "loglevel", loglevel, "Log output level (ERROR, INFO, WARN, DEBUG, TRACE)")
loglayout := "[%d] [%p] %m"
flag.StringVar(&loglayout, "loglayout", loglayout, "Log layout (for github.com/ian-kent/go-log pattern layout)")
cachedir := "./.gopancache"
flag.StringVar(&cachedir, "cachedir", cachedir, "Cache directory for CPAN modules")
installdir := "./local"
flag.StringVar(&installdir, "installdir", installdir, "Install directory for CPAN modules")
flag.Parse()
if nocpan || nobackpan {
conf.Sources = DefaultSources(!nocpan, !nobackpan)
}
// parse cpan mirrors
for _, url := range cpan {
mirror := strings.TrimSuffix(url, "/")
m := NewSource("CPAN", mirror+"/modules/02packages.details.txt.gz", mirror)
conf.Sources = append(conf.Sources, m)
}
// parse backpan mirrors
for _, url := range backpan {
mirror := strings.TrimSuffix(url, "/")
m := NewSource("BackPAN", mirror+"/backpan-index", mirror) // FIXME
conf.Sources = append(conf.Sources, m)
}
// parse smartpan mirrors
for _, url := range smart {
mirror := strings.TrimSuffix(url, "/")
m := NewSource("SmartPAN", mirror, mirror)
conf.Sources = append(conf.Sources, m)
}
// resolve via metacpan
conf.MetaCPAN = metacpan
if metacpan {
m := NewSource("MetaCPAN", "", "")
conf.Sources = append(conf.Sources, m)
c := NewMetaSource("cpan", "", "http://www.cpan.org", m.ModuleList)
conf.MetaSources = append(conf.MetaSources, c)
b := NewMetaSource("backpan", "", "http://backpan.perl.org", m.ModuleList)
conf.MetaSources = append(conf.MetaSources, b)
}
sort.Sort(sortSources(conf.Sources))
// parse notest
for _, n := range test {
conf.Test.Modules[n] = true
}
conf.Test.Global = tests
// parse cpanfile
conf.CPANFile = cpanfile
// numcpus
conf.CPUs = numcpus
// nodepdeump
conf.NoDepdump = nodepdump
// noinstall
conf.NoInstall = noinstall
// install dir
conf.InstallDir = installdir
// cache dir
conf.CacheDir = cachedir
// log level and layout
log.Logger().Appender().SetLayout(layout.Pattern(loglayout))
log.Logger().SetLevel(log.Stol(loglevel))
// create cache dir
os.MkdirAll(conf.CacheDir, 0777)
config = conf
return conf
}
func main() {
configure()
args := flag.Args()
if len(args) > 0 && args[0] == "init" {
log.Info("Initialising SmartPAN")
log.Info("=> Installing Perl dependencies")
// FIXME most of this is repeated from getpan/main.go
cfg := getpan.DefaultConfig()
cfg.CacheDir = config.CacheDir
for _, source := range cfg.Sources {
if err := source.Load(); err != nil {
log.Error("Error loading sources: %s", err)
os.Exit(1)
return
}
}
deps := &getpan.DependencyList{
Dependencies: make([]*getpan.Dependency, 0),
}
d1, _ := getpan.DependencyFromString("Parse::LocalDistribution", "")
d2, _ := getpan.DependencyFromString("JSON::XS", "")
deps.AddDependency(d1)
deps.AddDependency(d2)
if err := deps.Resolve(); err != nil {
log.Error("Error resolving dependencies: %s", err)
os.Exit(1)
return
}
_, err := deps.Install()
if err != nil {
log.Error("Error installing dependencies: %s", err)
os.Exit(2)
return
}
log.Info(" - Installed %d modules", deps.UniqueInstalled())
log.Info("SmartPAN initialisation complete")
return
}
if config.TestDeps {
perldeps := gopan.TestPerlDeps()
perldeps.Dump()
if !perldeps.Ok {
log.Error("Required perl dependencies are missing")
os.Exit(1)
return
}
}
if len(args) > 0 && args[0] == "import" {
if len(args) < 4 {
log.Error("Invalid arguments, expecting: smartpan import FILE AUTHORID INDEX")
return
}
fname := args[1]
log.Info("Importing module from %s", fname)
log.Info("Author ID: %s", args[2])
log.Info("Index : %s", args[3])
extraParams := map[string]string{
"importinto": args[3],
"authorid": args[2],
"newindex": "",
"cpanmirror": "",
"importurl": "",
"fromdir": "",
}
if strings.HasPrefix(fname, "http://") || strings.HasPrefix(fname, "https://") {
log.Info("URL: %s", fname)
extraParams["importurl"] = fname
request, err := newFormPostRequest(config.RemoteHost+"/import?stream=y", extraParams)
if err != nil {
log.Error("Create request error: %s", err.Error())
return
}
client := &nethttp.Client{}
resp, err := client.Do(request)
if err != nil {
log.Error("Error connecting to host: %s", err.Error())
return
} else {
// TODO stream this
body := &bytes.Buffer{}
_, err := body.ReadFrom(resp.Body)
if err != nil {
log.Error("Error reading response: %s", err.Error())
return
}
resp.Body.Close()
//log.Info("%d", resp.StatusCode)
//log.Info("%s", resp.Header)
log.Info("%s", body.String())
}
} else {
fname = strings.TrimPrefix(fname, "file://")
log.Info("File: %s", fname)
if _, err := os.Stat(fname); err != nil {
log.Error("File not found: %s", err.Error())
return
}
request, err := newfileUploadRequest(config.RemoteHost+"/import?stream=y", extraParams, "fromfile", fname)
if err != nil {
log.Error("Create upload error: %s", err.Error())
return
}
client := &nethttp.Client{}
resp, err := client.Do(request)
if err != nil {
log.Error("Error connecting to host: %s", err.Error())
return
} else {
// TODO stream this
body := &bytes.Buffer{}
_, err := body.ReadFrom(resp.Body)
if err != nil {
log.Error("Error reading response: %s", err.Error())
return
}
resp.Body.Close()
//log.Info("%d", resp.StatusCode)
//log.Info("%s", resp.Header)
log.Info("%s", body.String())
}
}
return
}
config.CurrentRelease = CurrentRelease
var wg sync.WaitGroup
load_index = func(index string, file string) {
indexes[index] = gopan.LoadIndex(file)
}
wg.Add(1)
go func() {
defer wg.Done()
indexes = make(map[string]map[string]*gopan.Source)
// Load CPAN index
if fi, err := os.Stat(config.CacheDir + "/" + config.CPANIndex); err == nil {
config.HasCPANIndex = true
config.CPANIndexDate = fi.ModTime().String()
config.CPANStatus = "Loading"
wg.Add(1)
go func() {
defer wg.Done()
load_index(config.CPANIndex, config.CacheDir+"/"+config.CPANIndex)
config.CPANStatus = "Loaded"
}()
}
// Load BackPAN index
if fi, err := os.Stat(config.CacheDir + "/" + config.BackPANIndex); err == nil {
config.HasBackPANIndex = true
config.BackPANIndexDate = fi.ModTime().String()
config.BackPANStatus = "Loading"
wg.Add(1)
go func() {
defer wg.Done()
load_index(config.BackPANIndex, config.CacheDir+"/"+config.BackPANIndex)
config.BackPANStatus = "Loaded"
}()
}
// Load our secondary indexes
for _, idx := range config.Indexes {
wg.Add(1)
go func() {
defer wg.Done()
load_index(idx, config.CacheDir+"/"+idx)
}()
}
// Load our primary index (this is the only index written back to)
wg.Add(1)
go func() {
defer wg.Done()
load_index(config.Index, config.CacheDir+"/"+config.Index)
}()
}()
update_indexes = func() {
wg.Wait()
wg.Add(1)
go func() {
wg.Wait()
config.ImportAvailable = true
nsrc, nauth, npkg, nprov := gopan.CountIndex(indexes)
// TODO should probably be in the index - needs to udpate when index changes
summary = &Summary{nsrc, nauth, npkg, nprov}
// Do this now so changing the level doesn't interfere with index load
log.Logger().SetLevel(log.Stol(config.LogLevel))
}()
defer wg.Done()
// Create in-memory indexes for UI/search etc
for fname, _ := range indexes {
for idn, idx := range indexes[fname] {
mapped[idx.Name] = make(map[string]map[string]map[string]*gopan.Author)
for _, auth := range idx.Authors {
// author name
if _, ok := mapped[idx.Name][auth.Name[:1]]; !ok {
mapped[idx.Name][auth.Name[:1]] = make(map[string]map[string]*gopan.Author)
}
if _, ok := mapped[idx.Name][auth.Name[:1]][auth.Name[:2]]; !ok {
mapped[idx.Name][auth.Name[:1]][auth.Name[:2]] = make(map[string]*gopan.Author)
}
mapped[idx.Name][auth.Name[:1]][auth.Name[:2]][auth.Name] = auth
// wildcards
if _, ok := mapped[idx.Name]["*"]; !ok {
mapped[idx.Name]["*"] = make(map[string]map[string]*gopan.Author)
}
if _, ok := mapped[idx.Name]["*"]["**"]; !ok {
mapped[idx.Name]["*"]["**"] = make(map[string]*gopan.Author)
}
mapped[idx.Name]["*"]["**"][auth.Name] = auth
// combos
if _, ok := mapped[idx.Name][auth.Name[:1]]["**"]; !ok {
mapped[idx.Name][auth.Name[:1]]["**"] = make(map[string]*gopan.Author)
}
if _, ok := mapped[idx.Name]["*"][auth.Name[:2]]; !ok {
mapped[idx.Name]["*"][auth.Name[:2]] = make(map[string]*gopan.Author)
}
mapped[idx.Name][auth.Name[:1]]["**"][auth.Name] = auth
mapped[idx.Name]["*"][auth.Name[:2]][auth.Name] = auth
for _, pkg := range auth.Packages {
filemap[pkg.AuthorURL()] = idn
for _, prov := range pkg.Provides {
parts := strings.Split(prov.Name, "::")
log.Trace("PACKAGE: %s", prov.Name)
if _, ok := packages[parts[0]]; !ok {
packages[parts[0]] = &PkgSpace{
Namespace: parts[0],
Packages: make([]*gopan.PerlPackage, 0),
Children: make(map[string]*PkgSpace),
Parent: nil,
Versions: make(map[float64]*gopan.PerlPackage),
}
}
if _, ok := idxpackages[idx.Name]; !ok {
idxpackages[idx.Name] = make(map[string]*PkgSpace)
}
if _, ok := idxpackages[idx.Name][parts[0]]; !ok {
idxpackages[idx.Name][parts[0]] = &PkgSpace{
Namespace: parts[0],
Packages: make([]*gopan.PerlPackage, 0),
Children: make(map[string]*PkgSpace),
Parent: nil,
Versions: make(map[float64]*gopan.PerlPackage),
}
}
if len(parts) == 1 {
packages[parts[0]].Packages = append(packages[parts[0]].Packages, prov)
packages[parts[0]].Versions[gopan.VersionFromString(prov.Version)] = prov
idxpackages[idx.Name][parts[0]].Packages = append(idxpackages[idx.Name][parts[0]].Packages, prov)
idxpackages[idx.Name][parts[0]].Versions[gopan.VersionFromString(prov.Version)] = prov
log.Trace("Version linked: %f for %s", gopan.VersionFromString(prov.Version), prov.Name)
} else {
packages[parts[0]].Populate(parts[1:], prov)
idxpackages[idx.Name][parts[0]].Populate(parts[1:], prov)
}
}
}
}
}
}
}
go update_indexes()
// Get latest SmartPAN version
go func() {
res, err := nethttp.Get("https://api.github.com/repos/companieshouse/gopan/releases")
if err != nil {
log.Error("Error getting latest version: %s", err.Error())
return
}
defer res.Body.Close()
b, err := ioutil.ReadAll(res.Body)
if err != nil {
log.Error("Error reading stream: %s", err.Error())
return
}
var r Releases
if err = json.Unmarshal(b, &r); err != nil {
log.Error("Error unmarshalling JSON: %s", err.Error())
return
}
log.Info("Current release: %s", config.CurrentRelease)
rel := strings.TrimPrefix(r[0].TagName, "v")
log.Info("Latest release: %s", rel)
config.LatestRelease = rel
config.UpdateURL = r[0].URL
if config.CurrentRelease < rel {
config.CanUpdate = true
log.Info("Your version of SmartPAN can be updated.")
}
}()
// Create our Gotcha application
var app = gotcha.Create(Asset)
app.Config.Listen = config.Bind
summary = &Summary{0, 0, 0, 0}
app.On(events.BeforeHandler, func(session *http.Session, next func()) {
session.Stash["summary"] = summary
session.Stash["config"] = config
next()
})
// Get the router
r := app.Router
// Create some routes
r.Get("/", search)
r.Post("/", search)
r.Get("/help", help)
r.Get("/settings", settings)
r.Get("/browse", browse)
r.Get("/import", import1)
r.Post("/import", import1)
r.Get("/import/(?P<jobid>[^/]+)", import2)
r.Get("/import/(?P<jobid>[^/]+)/stream", importstream)
r.Post("/get-index/(?P<index>(CPAN|BackPAN))/?", getindex)
// Serve static content (but really use a CDN)
r.Get("/images/(?P<file>.*)", r.Static("assets/images/{{file}}"))
r.Get("/css/(?P<file>.*)", r.Static("assets/css/{{file}}"))
// JSON endpoints
r.Get("/where/(?P<module>[^/]+)/?", where)
r.Get("/where/(?P<module>[^/]+)/(?P<version>[^/]+)/?", where)
// Put these last so they only match /{repo} if nothing else matches
r.Get("/(?P<repo>[^/]+)/?", browse)
r.Get("/(?P<repo>[^/]+)/(?P<type>[^/]+)/?", browse)
r.Get("/(?P<repo>[^/]+)/modules/02packages\\.details\\.txt(?P<gz>\\.gz)?", pkgindex)
r.Get("/(?P<repo>[^/]+)/authors/id/(?P<file>.*\\.tar\\.gz)", download)
r.Post("/delete/(?P<repo>[^/]+)/authors/id/(?P<auth1>[^/]+)/(?P<auth2>[^/]+)/(?P<auth3>[^/]+)/(?P<file>.*\\.tar\\.gz)", delete_file)
r.Get("/(?P<repo>[^/]+)/(?P<type>[^/]+)/(?P<path>.*)/?", browse)
// Start our application
app.Start()
<-make(chan int)
}